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An example of a glacier surface type (GST) product for Svalbard
Svalbard
Glaciers
Aggregated observed glacier surface type maps, Svalbard
Firn is the many layers of old snow built up over time to form the beginnings
of a glacier. In contrast to the equilibrium line, the firn line position
will smooth out yearly variations and show long-term trends. The area extent
of one of the classified areas shows a remarkable correlation with glacier
mass balance, which can be used for mass balance prediction.
The Svalbard glacier surface type (GST) product includes four classes: glacier
ice, superimposed ice, firn and dry snow.
Climate-change
indicator variables, Svalbard
Glacier surface
type
The following climate-change indicator variable products have been defined
for the first operational version of the EuroClim service:
• Glacier Firn Area
(GFA) (single value per glacier)
• Glacier Balance Area (GBA) (annual)
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An example of a glacier surface type (GST) product for Svalbard